2025 BMW 3 Series M340i vs 2025 Lexus ES 350
4 mpg better and 84 more hp vs $18,060 less and 10.0″ longer. That is the real fork. Key numbers: 386 vs 302 hp, 29 vs 25 MPG.
The 3 Series M340i leads on 4 MPG better, 84 more hp. The ES 350 leads on $18,060 less, 10.0″ longer. The spec table compares 8 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 8 specifications.
Full Specification Comparison
Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.
| Spec | 2025 BMW 3 Series M340i | 2025 Lexus ES 350 |
|---|---|---|
| Pricing | ||
| MSRP | $60,200 | $42,140 |
| Powertrain | ||
| Engine | 3.0L I6 mild-hybrid Turbo | 3.5L V6 |
| Horsepower | 386 hp | 302 hp |
| Torque | 398 lb-ft | 267 lb-ft |
| Transmission | 8-speed shiftable automatic | 8-speed shiftable automatic |
| Drivetrain | RWD | FWD |
| Fuel Economy | ||
| City MPG | 27 | 22 |
| Highway MPG | 33 | 32 |
| Combined MPG | 29 | 25 |
| Fuel Tank | 15.6 gal | 15.9 gal |
| Annual Fuel Cost (EPA) | $2,000/yr | $1,750/yr |
| Dimensions | ||
| Curb Weight | 3,834 lbs | 3,690 lbs |
| Wheelbase | 112.2" | 113.0" |
| Length | 185.9" | 195.9" |
| Width | 71.9" | 73.4" |
| Height | 56.4" | 56.9" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 4yr/50k | 6yr/70k |
| Corrosion | 12yr/unlimited | 6yr/unlimited |
| Roadside Assistance | 4yr/unlimited | 4yr/unlimited |
Frequently Asked Questions
What is the price difference between the 2025 BMW 3 Series M340i and 2025 Lexus ES 350?
The 2025 Lexus ES 350 starts at $42,140, $18,060 less than the 2025 BMW 3 Series M340i at $60,200. On a 60-month loan that is roughly $318/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2025 BMW 3 Series M340i?
The 2025 BMW 3 Series M340i is the stronger pick when lower running costs matter to you, roughly $232/year less on fuel; the extra 84 hp matters for your commute or driving style; you prefer a smaller vehicle that is easier to park and maneuver.
Who should choose the 2025 Lexus ES 350?
The 2025 Lexus ES 350 is the stronger pick when you want to keep $18,060 in your pocket and the 2025 Lexus ES 350 covers your needs; you want the larger footprint for passengers or cargo.
Which gets better fuel economy, the 2025 BMW 3 Series M340i or 2025 Lexus ES 350?
The 2025 BMW 3 Series M340i rates 29 combined MPG, 4 MPG ahead.
Which is more powerful, the 2025 BMW 3 Series M340i or 2025 Lexus ES 350?
The 2025 BMW 3 Series M340i produces 386 hp, 84 more than the 2025 Lexus ES 350 at 302 hp. The 2025 BMW 3 Series M340i also leads in torque at 398 lb-ft vs 267 lb-ft. The 2025 BMW 3 Series M340i runs a 3.0L I6 mild-hybrid Turbo; the 2025 Lexus ES 350 uses a 3.5L V6. Drivetrains differ too: RWD on the 2025 BMW 3 Series M340i, FWD on the 2025 Lexus ES 350.
Is the 2025 BMW 3 Series M340i bigger than the 2025 Lexus ES 350?
The 2025 Lexus ES 350 is 10.0″ longer at 195.9″ vs 185.9″. The 2025 Lexus ES 350 has a 0.8″ longer wheelbase, which typically means more rear-seat legroom.
Do the 2025 BMW 3 Series M340i and 2025 Lexus ES 350 have the same drivetrain?
No. The 2025 BMW 3 Series M340i uses RWD and the 2025 Lexus ES 350 uses FWD. The drivetrain affects traction, fuel economy, and how the vehicle handles in different conditions.
How do the warranties compare?
The BMW 3 Series comes with 4yr/50k bumper-to-bumper and 4yr/50k powertrain. The Lexus ES offers 4yr/50k bumper-to-bumper and 6yr/70k powertrain. Longer warranty coverage can offset higher maintenance costs over time.
Explore more: BMW trims, BMW 3 Series trims, Lexus trims, Lexus ES trims
- 2025 BMW 3 Series M340i Safety Ratings (NHTSA)
- 2025 Lexus ES 350 Safety Ratings (NHTSA)
- Compare Fuel Economy (EPA)
3 Series vs ES: What This Matchup Is Really About
The 2025 BMW 3 Series M340i and 2025 Lexus ES 350 are both compact cars competing for the same buyer. Price, fuel economy, and daily comfort are the tie-breakers. The $-18,060 gap adds up to $318/month on a 60-month loan. That is real money, so the pricier option needs to earn it with capabilities you will actually use.
Under the Hood
The 2025 BMW 3 Series M340i runs a 3.0L I6 mild-hybrid Turbo; the 2025 Lexus ES 350 uses a 3.5L V6. The 2025 BMW 3 Series M340i has 84 more hp (386 vs 302). You will feel the difference merging, passing, and driving with a full car. The 2025 BMW 3 Series M340i adds 131 more lb-ft of torque (398 vs 267), giving it stronger low-end pull off the line. Drivetrains differ: RWD on the 2025 BMW 3 Series M340i, FWD on the 2025 Lexus ES 350.
Running Costs: 3 Series vs ES
The 2025 BMW 3 Series M340i saves roughly $232/year on fuel at $3.50/gallon and 12,000 annual miles. Over five years, that is $1,160.
How Each One Fits Your Daily Life
The 2025 Lexus ES 350 is 10.0″ longer, which translates to more room inside but a larger footprint in parking lots and garages.
Bottom Line
Choose the 2025 BMW 3 Series M340i when lower running costs matter to you, roughly $232/year less on fuel. Choose the 2025 Lexus ES 350 when you want to keep $18,060 in your pocket and the 2025 Lexus ES 350 covers your needs.
Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with BMW or Lexus or any dealership.